20219268532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1\times {\mathrm{7369}}^1$

素因数の和:7928

約数の個数: 48

約数和(自身を含む): 37805152000

約数和(自身を除く): 17585883468

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 457, 914, 1501, 1828, 3002, 6004, 7369, 8683, 14738, 17366, 29476, 34732, 36103, 72206, 140011, 144412, 280022, 560044, 582151, 685957, 1164302, 1371914, 2328604, 2743828, 3367633, 6735266, 11060869, 13470532, 22121738, 44243476, 63985027, 127970054, 255940108, 266043007, 532086014, 1064172028, 5054817133, 10109634266, 20219268532]

約数ペア:

[(1, 20219268532), (2, 10109634266), (4, 5054817133), (19, 1064172028), (38, 532086014), (76, 266043007), (79, 255940108), (158, 127970054), (316, 63985027), (457, 44243476), (914, 22121738), (1501, 13470532), (1828, 11060869), (3002, 6735266), (6004, 3367633), (7369, 2743828), (8683, 2328604), (14738, 1371914), (17366, 1164302), (29476, 685957), (34732, 582151), (36103, 560044), (72206, 280022), (140011, 144412)]